Home / 13,886,946.06-20,812,323.48-7,738,682.72

Finding the Fourth Proportional to 13,886,946.06, 20,812,323.48 and 7,738,682.72

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Solution

The fourth proportional to 13,886,946.06, 20,812,323.48 and 7,738,682.72 is: 11,597,940.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,886,946.06 : 20,812,323.48 = 7,738,682.72 : x
  2. Step 2: Convert to fraction form
    13,886,946.06/20,812,323.48 = 7,738,682.72/x
  3. Step 3: Cross multiply
    13,886,946.06x = 20,812,323.48 × 7,738,682.72
  4. Step 4: Simplify right side
    13,886,946.06x = 161,059,967,973,664.66
  5. Step 5: Solve for x
    x = 161,059,967,973,664.66/13,886,946.06
  6. Step 6: Final answer
    x = 11,597,940.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.